1.
d4
Nf6
2.
c4
g6
3.
g3
Bg7
4.
Bg2
O-O
5.
Nc3
d6
6.
Nf3
Nbd7
7.
O-O
e5
8.
e4
c6
9.
d5
cxd5
10.
cxd5
Nc5
11.
Ne1
a5
12.
Nd3
b6
13.
Nxc5
bxc5
14.
f3
Bd7
15.
Be3
Nh5
16.
Qd2
Rb8
17.
Rab1
f5
18.
Bg5
Qb6
19.
Kh1
f4
20.
g4
Bf6
21.
Bxf6
Nxf6
22.
Rf2
Kf7
23.
Bf1
g5
24.
Rg2
Rh8
25.
Kg1
h5
26.
h3
hxg4
27.
hxg4
Rh3
28.
Rf2
Rh4
29.
Rh2
Rbh8
30.
Rxh4
Rxh4
31.
Bg2
Bxg4
32.
fxg4
Nxg4
33.
Nd1
c4+
34.
Kf1
Nh2+
35.
Ke2
Qg1
0-1
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Event
Site
Beverwijk
Date
1961.??.??
White
Black
Result
0-1
Score
[Event "Hoogovens"] [Site "Beverwijk"] [Date "1961.??.??"] [Round "?"] [White "Gruenfeld, Ernst"] [Black "Ivkov, Borislav"] [Result "0-1"] 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. d5 cxd5 10. cxd5 Nc5 11. Ne1 a5 12. Nd3 b6 13. Nxc5 bxc5 14. f3 Bd7 15. Be3 Nh5 16. Qd2 Rb8 17. Rab1 f5 18. Bg5 Qb6 19. Kh1 f4 20. g4 Bf6 21. Bxf6 Nxf6 22. Rf2 Kf7 23. Bf1 g5 24. Rg2 Rh8 25. Kg1 h5 26. h3 hxg4 27. hxg4 Rh3 28. Rf2 Rh4 29. Rh2 Rbh8 30. Rxh4 Rxh4 31. Bg2 Bxg4 32. fxg4 Nxg4 33. Nd1 c4+ 34. Kf1 Nh2+ 35. Ke2 Qg1 0-1